Well ... it would help to know what you planted and what those plants look like. It seems I was frequently pulling out what I thought were weeds.
Fast forward to me getting behind in the weeding. A few "weeds" became very tall. I left them. It looked better than having just dirt down there.
Please note: These are not weeds. I know this now. Hopefully you do, too.
Oh, and this is not a weed:
She likes to help me clean out weeds by eating them. She's a doll.